STK672-220-E

Step Resolution:	1, 1/2
Supplier Device Package:	12-SIP
Package / Case:	12-SIP Formed Leads
Mounting Type:	Through Hole
Operating Temperature:	150°C (TJ)
Voltage - Load:	10 V ~ 45 V
Voltage - Supply:	4.75 V ~ 5.25 V
Current - Output:	3A
Applications:	General Purpose
Series:	--
Technology:	Power MOSFET
Interface:	Parallel
Output Configuration:	Half Bridge (2)
Function:	Driver - Fully Integrated, Control and Power Stage
Motor Type - AC, DC:	--
Motor Type - Stepper:	Unipolar
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The STK672-220-E is an integrated circuit (IC) designed specifically to perform the duties of motor driver and controller in various applications. This IC is an integrated component designed to provide an efficient, user-friendly, and cost-effective solution for motor design requirements. The STK672-220-E is able to control and protect individual DC motors under controlled conditions. It is available in a variety of packages, making it a highly flexible device for different applications.

Application Field

The STK672-220-E is designed for the motor driver and controller application in the various electronic devices used in the industrial, automotive, white goods, and other industries. This IC is ideal for applications such as vending machines, recreational equipment, HVAC, robotics, pumps, and medical imaging systems. As a single-channel motor driver and control IC, this device can control and protect one DC motor up to an output current of 3 A.

Features

The integrated motor driver and controller of the STK672-220-E features several features that make it an ideal solution for various applications. It includes an integrated high-side load switch, a temperature protection circuit, an over-current protection circuit, a dead-time protection circuit, a voltage drop monitoring circuit, a short-circuit protection circuit, a PWM speed control circuit, and an integrated linear regulator.

Working Principle

The integrated motor driver and controller of the STK672-220-E works based on the principles of current sensing and voltage monitoring. The PWM speed control circuit connected to the IC provides precise control over the motor speed. The voltage drop monitoring circuit detects any voltage drop across the motor terminals, sending a signal to the IC to reduce or shut off the motor power, while the over-current protection circuit protects the motor from any current overload.The internal temperature protection circuit of the STK672-220-E monitors the temperature of the motor, and will shut off the power if the temperature reaches a certain set point. The device also features a dead-time protection circuit, which helps to prevent the motor from stalling during a sudden power surge. Lastly, the integrated linear regulator ensures that the motor operates at a precise and consistent speed.

Conclusion

The STK672-220-E is a highly integrated IC designed specifically for motor driver and controller applications. Its integrated components provide protection and precision in DC motor control, which makes it a great choice for applications ranging from industrial and automotive to white goods and robotics. This device is highly flexible, as it is available in a variety of packages and with multiple optional features. Additionally, its internal circuits operate based on the principles of current sensing and voltage monitoring, providing reliable and efficient motor control.

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